Armored Cable Grounding Kits, Provides a secure bond to the armor sheath on indoor and indoor/outdoor fiber optic cables at both cassette and enclosure ends, Worm-gear design evenly distributes forces across the armor for range-taking capability, Made from steel and aluminum material is compatible with common armor for long term reliability, Black insulating cover protects and hides the connection for a aesthetically pleasing work area, Complies with industry requirements ensuring a high level of reliability and safety.